The film is about a generation of brave and beautiful people who did not see the destruction of the revolution and the chaos of the civil war, who dreamed of building a new life in which there would be no place for death, but only incredible love that opens the way for them to great achievements and discoveries. About exploits and glory, betrayal and loyalty of those who were heroes in heaven and on earth. About the time of immense trials that fell on their short but bright lives. About a woman who was the dream and true love of the Soviet Union.

Young Katya meets a merry company of visiting guys who have a specific entertainment - to organize parties in other people's empty houses. And Katya knows the right place: an old country house on the coast, the owner of which left for a long time. The secluded house, in which the spiritualist salon was at the beginning of the last century, seems to everyone an excellent option. Alarming, even the terrible abandonment of this place does not frighten anyone ... In the midst of the party, someone whom Katya never expected to see appears: the mysterious master of the house ... The man she loved. A man in the grip of otherworldly forces.